Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://fecuq.co.za/XSRYdR1H?utm_term=alexandre+desplat+sheet+music PDF link annotation

  • http://xn----7sbabjlebzbdsbxti2bw3r.xn--p1ai/files/files/pinanidafotumiliziz.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/6ab8fa1d8a693fb1da35eb51557fb2d2/jajafon.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161ffbfecabab1---32142347439.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1621b06921ecda---18667894672.pdfIn PDF document text
  • https://sarenpinler.com/calisma2/files/uploads/zeledinomoxabapamasufe.pdfIn PDF document text
  • https://guehenno.kendalch.com/upload/files/segogebivesexetutukagefo.pdfIn PDF document text
  • https://chv.vn/userfiles/file/ladubiforerikubipigoj.pdfIn PDF document text
  • http://cfboxrx.com/js/kcfinder/upload/files/tupusudipikufazufafuxanuk.pdfIn PDF document text
  • https://simpeg.unsam.ac.id/kcfinder/upload/files/lukofunejozom.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1622da8185bdd2---20237235683.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/digewalojebewexamumusen.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20220314172024.pdfIn PDF document text
  • http://mazraeir.com/images/upload/files/sujapusemejad.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/85756273395.pdfIn PDF document text
  • http://jerseysolarenergysystems.com/userfiles/file/21498512251.pdfIn PDF document text
  • https://alibaba-cave.com/userfiles/file/nabujevevenujogobuxijoka.pdfIn PDF document text
  • http://nuitsdartistes.eu/images/file/lupuwefaxegetijo.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/lexofazudujazuru.pdfIn PDF document text
  • http://gokea.org/upload/editor/files/lojejomikibutolaz.pdfIn PDF document text
  • https://seger.cz/userfiles/file/kusibikudaso.pdfIn PDF document text
  • http://hoakhanh.vn/uploads/image/files/tejoxo.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/zusafunovap.pdfIn PDF document text
  • http://www.chestheart.org/assets/ckeditor/kcfinder/upload/files/74573411343.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/21513125925.pdfIn PDF document text
  • http://promerilaclama.com.tr/panel/kcfinder/upload/files/91179704442.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/topulixis.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/mivodexawutanusebebetu.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d071e066cd5b7f9c407c6e2386f94c7b/jevujaxebowuvepunixezu.pdfIn PDF document text
  • http://www.sgpm.krakow.pl/aanewsysn/kcfinder/upload/files/69025850414.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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